Until now, Azano had faced one charge of contributing to a campaign as a foreign national, a violation of federal law.

The new indictment presents the high points of the government’s case against the men after more than a year of investigation, and brings all three defendants into a single case. It includes new charges of conspiracy, falsification of records and gun possession.

No charges have been brought against the politicians in the case.

Azano, Singh and Cortes are accused of conspiring to illegally funnel about $600,000 of Azano’s money into the campaigns and political committees of three candidates in the 2012 San Diego mayoral race, as well as a political party committee supporting a federal candidate.

Those politicians have been identified elsewhere as District Attorney Bonnie Dumanis and Bob Filner, who the court documents allege received the bulk of the support, as well as Rep. Juan Vargas. Previous documents have said the defendants also inquired about donating to Nathan Fletcher’s mayoral campaign but did not.

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The revised indictment says Azano — who is also listed by the aliases of “Mr. A” and “Mr. Lambo” in the indictment — and the others would survey candidates running for various offices then decide which were the best to support. Azano would then seek private meetings with the candidates, prosecutors allege.

The indictment specifies three such meetings: A late 2011 or early 2012 meeting with Dumanis at Azano’s Coronado Cays home; an Aug. 17, 2012, meeting with Filner at Azano’s home; and a Sept. 17, 2012, dinner with Vargas in downtown San Diego.

After the private meetings, prosecutors allege Azano, Cortes and Singh would map out a plan on how to best fund and support the candidate secretly, with Cortes and Singh acting as the go-betweens.

Dumanis, whose campaign got an alleged $200,000 boost from Azano, said in previous interviews that she was asked to go to Azano’s for a meet-and-greet, and that nothing had been asked of her in return. She said she didn’t recall much of the conversation, except for Azano’s enthusiasm for exotic cars. She said she did not know anything about the donations, which were made to an independent expenditure committee.

Vargas, D-San Diego, has declined requests for interviews on the case but, like Dumanis, has promised to return any money associated with the case. Filner, ousted from office for sexually accosting women, has not been reached for an interview on the donations.

According to the indictment, Azano used straw donors, such as La Jolla car dealer Marc Chase, as the main way to inject cash into the campaigns. Chase has pleaded guilty. Azano is also accused of using companies and his own independent expenditure committee to support candidates of his choice, the U.S. Attorney’s Office says.

The indictment lists 20 instances in which campaign finance records failed to reveal Azano as the true source of the money. The records were filed with the City Clerk, the Federal Election Commission or the California Secretary of State. Support also went to candidates in the form of social media and Internet services, through Singh’s company ElectionMall, the indictment states. Singh is accused of offering such services to Dumanis and Filner’s campaigns, for which he was later paid by a Mexico-based company.

One of the invoices mentions the “betty boo project for 100K,” apparently a reference to an online outreach effort supporting Dumanis.

Singh was charged with an additional count of bribery . The indictment said he offered $1,000 to a federal official in exchange for confidential and classified information, just days before his arrest.

During an earlier court hearing, Assistant U.S. Attorney Timothy Perry said Singh thought the official was with the U.S. Drug Enforcement Administration, but the person was really an undercover FBI agent. No other details about the type of information he was seeking was released.

The indictment also charges Azano with being an alien in possession of a firearm, a black Sig Sauer P225 semi-automatic pistol. Federal law imposes certain restrictions on gun possession by foreigners.

Perry said during a February court hearing that agents found a loaded pistol in Azano’s bedroom when they served a search warrant. Azano’s lawyer, Knut Johnson, replied that the gun had been given to Azano as a gift from a U.S. Customs agent.

The new indictment downplays the role of Ernie Encinas, a retired San Diego police detective who worked as a security consultant for Azano. In a court filing two weeks ago, Azano blamed Encinas as being the real mastermind behind the scheme.

Azano claims Encinas wanted to gain favor with politicians to benefit his nightclub consulting business in the Gaslamp Quarter. Encinas cooperated with authorities near the end of the investigation and has pleaded guilty, according to court records.

Prosecutors have said in previous court hearings that Azano had his own motive: to befriend political leaders so he could turn San Diego’s bayfront into “Miami West.”